(19)
(11)
EP 0 868 806 A1
(12)
(43)
Date of publication:
07.10.1998
Bulletin 1998/41
(21)
Application number:
96942527.0
(22)
Date of filing:
20.12.1996
(51)
International Patent Classification (IPC):
G08B
15/
00
( . )
H04M
1/
66
( . )
H04M
1/
667
( . )
G08B
13/
14
( . )
H04M
1/
663
( . )
H04M
1/
727
( . )
(86)
International application number:
PCT/GB1996/003177
(87)
International publication number:
WO 1997/023986
(
03.07.1997
Gazette 1997/29)
(84)
Designated Contracting States:
FR GB
(30)
Priority:
21.12.1995
GB 19950026235
(71)
Applicant:
BRITISH TECHNOLOGY GROUP LIMITED
London EC4M 7SB (GB)
(72)
Inventor:
SANSOME, Andrew, Jonathan, Thomas
Owslesbury Winchester SO21 1LL (GB)
(74)
Representative:
Johnson, Reginald George
BTG International Ltd., 10 Fleet Place
London EC4M 7SB
London EC4M 7SB (GB)
(54)
AN ELECTRONIC ANTI-THEFT APPARATUS AND RELATED METHOD